ES2017042A6 - Disposicion de filtro para supresion de banda. - Google Patents

Disposicion de filtro para supresion de banda.

Info

Publication number
ES2017042A6
ES2017042A6 ES8903533A ES8903533A ES2017042A6 ES 2017042 A6 ES2017042 A6 ES 2017042A6 ES 8903533 A ES8903533 A ES 8903533A ES 8903533 A ES8903533 A ES 8903533A ES 2017042 A6 ES2017042 A6 ES 2017042A6
Authority
ES
Spain
Prior art keywords
band
signals
band rejection
hybrid circuit
bandpass filters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES8903533A
Other languages
English (en)
Spanish (es)
Inventor
Gerald Lebleboojian
David M Cooper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Electronic Systems Corp
Original Assignee
Plessey Electronic Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Electronic Systems Corp filed Critical Plessey Electronic Systems Corp
Publication of ES2017042A6 publication Critical patent/ES2017042A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters

Landscapes

  • Transceivers (AREA)
  • Filters And Equalizers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
ES8903533A 1989-04-07 1989-10-20 Disposicion de filtro para supresion de banda. Expired - Lifetime ES2017042A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/334,431 US4963945A (en) 1989-04-07 1989-04-07 Band rejection filtering arrangement

Publications (1)

Publication Number Publication Date
ES2017042A6 true ES2017042A6 (es) 1990-12-16

Family

ID=23307192

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8903533A Expired - Lifetime ES2017042A6 (es) 1989-04-07 1989-10-20 Disposicion de filtro para supresion de banda.

Country Status (9)

Country Link
US (1) US4963945A (de)
EP (1) EP0466689B1 (de)
JP (1) JPH0654882B2 (de)
AU (1) AU4407089A (de)
CA (1) CA1317649C (de)
DE (1) DE68907613T2 (de)
ES (1) ES2017042A6 (de)
IL (1) IL92251A (de)
WO (1) WO1990012429A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5335363A (en) * 1991-12-30 1994-08-02 Arinc Research Corporation Signal interference reduction device and method
GB2284311B (en) * 1993-11-24 1998-03-04 Filtronic Ltd Hybrid notch filter
US5678209A (en) * 1995-03-31 1997-10-14 Lucent Technologies Inc. Transmit power level detection circuit with enhanced gain characteristics
US6421535B1 (en) * 1999-05-12 2002-07-16 Xetron Corporation Superregenerative circuit
US6553210B1 (en) * 1999-08-03 2003-04-22 Alliedsignal Inc. Single antenna for receipt of signals from multiple communications systems
US20020130734A1 (en) * 2000-12-12 2002-09-19 Xiao-Peng Liang Electrically tunable notch filters
US7720443B2 (en) * 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
DE602006009305D1 (de) * 2005-12-08 2009-10-29 Mitsubishi Electric Corp Bandpassfilter
US8233850B1 (en) 2008-09-26 2012-07-31 Rockwell Collins, Inc. Broadband power amplifier with partial-envelope transference
US8149742B1 (en) 2009-06-26 2012-04-03 Rockwell Collins, Inc. System and method for receiving and transmitting signals
KR101083531B1 (ko) 2009-09-01 2011-11-18 에스케이 텔레콤주식회사 송수신 신호 분리를 위한 결합장치 및 제어방법
US8339216B2 (en) * 2009-10-01 2012-12-25 Ubidyne, Inc. Duplexer and method for separating a transmit signal and a receive signal
US8264298B2 (en) * 2009-10-01 2012-09-11 Unidyne, Inc. Filtering device and a method for filtering a signal
US8421554B2 (en) * 2009-10-01 2013-04-16 Ubidyne, Inc. Filtering device for filtering RF signals and method for filtering RF signals
CN102576923B (zh) 2009-11-02 2015-08-26 株式会社Kmw 射频滤波器
JP6214673B2 (ja) 2012-12-11 2017-10-18 ユニバーシティ オブ サザン カリフォルニア 送受切換え器および共存している無線通信システムのための受動リーク消去回路網
WO2015089091A1 (en) 2013-12-10 2015-06-18 University Of Southern California Enhancing isolation and impedance matching in hybrid-based cancellation networks and duplexers
US9843302B2 (en) 2014-02-14 2017-12-12 University Of Southern California Reflection and hybrid reflection filters
WO2015123668A1 (en) 2014-02-14 2015-08-20 University Of Southern California Hybrid-based cancellation in presence of antenna mismatch
CN106031076B (zh) 2014-02-19 2020-03-06 南加利福尼亚大学 基于微型声谐振器的滤波器和双工器
US10581650B2 (en) 2015-09-08 2020-03-03 Qorvo Us, Inc. Enhancing isolation in radio frequency multiplexers
US9866201B2 (en) 2015-09-08 2018-01-09 Abtum Inc. All-acoustic duplexers using directional couplers
US9912326B2 (en) 2015-09-08 2018-03-06 Abtum Inc. Method for tuning feed-forward canceller
US9762416B2 (en) 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
US9755668B2 (en) 2015-09-30 2017-09-05 Abtum Inc. Radio frequency complex reflection coefficient reader
US10038458B2 (en) 2015-10-06 2018-07-31 Abtum Inc. Reflection-based radio-frequency multiplexers
US10476530B2 (en) 2015-10-12 2019-11-12 Qorvo Us, Inc. Hybrid-coupler-based radio frequency multiplexers
WO2018057725A1 (en) 2016-09-21 2018-03-29 Abtum Inc. Enhancing isolation in hybrid-based radio frequency duplexers and multiplexers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561212A (en) * 1949-12-15 1951-07-17 Bell Telephone Labor Inc Microwave hybrid branching systems
US3058070A (en) * 1959-11-04 1962-10-09 Reingold Irving Microwave duplexer
JPS5279815A (en) * 1975-12-26 1977-07-05 Nec Corp Transmitting and receiving circuit
DE3119420A1 (de) * 1981-05-15 1982-12-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "schaltungsanordnung zum abschluss eines passiven mischers"
US4583061A (en) * 1984-06-01 1986-04-15 Raytheon Company Radio frequency power divider/combiner networks
JPS63206029A (ja) * 1987-02-21 1988-08-25 Nec Corp 帯域通過ろ波器

Also Published As

Publication number Publication date
WO1990012429A1 (en) 1990-10-18
CA1317649C (en) 1993-05-11
JPH04500749A (ja) 1992-02-06
AU4407089A (en) 1990-11-05
IL92251A0 (en) 1990-07-26
EP0466689A1 (de) 1992-01-22
DE68907613D1 (de) 1993-08-19
US4963945A (en) 1990-10-16
IL92251A (en) 1993-02-21
EP0466689B1 (de) 1993-07-14
DE68907613T2 (de) 1994-03-03
JPH0654882B2 (ja) 1994-07-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010201